阅读说明：本技术 一种用于内窥镜操作的可变径套取装置 (Diameter-variable sleeving and taking device for endoscope operation ) 是由 张加永 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种用于内窥镜操作的可变径套取装置,属于医疗设备领域,一端呈开口设置筒体,所述筒体上通过驱动机构连接有可对患处上异物进行夹取的夹持机构,且夹持机构至少设有三个并且呈环形分布于筒体的闭口端上,所述筒体上通过推动机构还连接有可对患处异物进行限位以便于异物剥离的限位机构。本发明通过推动机构驱动限位机构移动并可对穿刺部位待取出的异物进行固定,以保证异物在被切除时能够保持一定的稳定性能,从而有利于异物的切除,通过驱动机构使推板在筒体的内部进行上下滑动,以此可对所有夹持机构之间围成端口的尺寸进行调节,以使夹持机构能够对不同尺寸大小的异物进行包覆式的夹持并在夹持的过程中实现对异物的剥离工作。(The invention discloses a variable-diameter sleeving and taking device for endoscope operation, which belongs to the field of medical equipment, wherein a cylinder body is arranged at one end of the device in an opening manner, the cylinder body is connected with at least three clamping mechanisms capable of clamping foreign matters on an affected part through a driving mechanism, the clamping mechanisms are annularly distributed on the closed end of the cylinder body, and the cylinder body is further connected with a limiting mechanism capable of limiting the foreign matters on the affected part through a pushing mechanism so as to facilitate the peeling of the foreign matters. The pushing mechanism drives the limiting mechanism to move and can fix the foreign matters to be taken out from the puncture part so as to ensure that the foreign matters can keep certain stability when being cut off, thereby being beneficial to cutting off the foreign matters.)

1. The utility model provides a device is got to variable footpath cover for endoscope operation, is the opening including one end and sets up barrel (1), its characterized in that, be connected with through actuating mechanism on barrel (1) and can go on the foreign matter to press from both sides the fixture who gets in the affected part, and fixture is equipped with threely at least and be the ring-type distribution on the end of remaining silent of barrel (1), still be connected with through pushing mechanism on barrel (1) and carry out spacing so that the foreign matter peels off stop gear to the affected part foreign matter.

2. The variable-diameter extraction device for endoscopic operation according to claim 1, wherein the clamping mechanism comprises notches (5) which are equidistantly arranged on the closed end of the barrel body (1) and are communicated with the interior of the barrel body, hinged rods (6) which are rotatably arranged in each notch (5) through hinged shafts, and clamping rods (7) which are fixedly arranged at the upper end of each hinged rod (6) and are of arc structures, the lower end of each hinged rod (6) is connected with the driving mechanism through a sliding mechanism, and the end parts of the clamping rods (7) are sharp and can cut foreign matters at affected parts.

3. A variable diameter snatching device for endoscopic procedures as defined in claim 2, the driving mechanism comprises a connecting ring body (4) rotatably arranged on the opening end of the cylinder body (1), a push plate (3) slidably arranged in the cylinder body (1), and a push rod (2) fixedly arranged at the bottom end of the push plate (3) and the end part of the push rod extends to the outer side of the connecting ring body (4), the middle part of the connecting ring body (4) is provided with a through hole for the push rod (2) to vertically pass through, the inner wall of the through hole and the periphery of the push rod (2) are provided with matched threads, the top end of the push plate (3) is connected with the lower end of the hinge rod (6) through a sliding mechanism, two limit blocks (20) which are connected with the inner wall of the cylinder body (1) in a sliding way are symmetrically arranged on the side wall of the push rod (2), and the inner wall of the cylinder body (1) is provided with a sliding chute (21) for the limiting block (20) to slide up and down.

4. A variable diameter extraction device for endoscopic procedures according to claim 3 wherein the peripheral circumference of the push plate (3) is sleeved with a sealing ring (10) closely attached to the inner wall of the barrel (1), and the sealing ring (10) is located above the top end of the chute (21) when the push plate (3) moves down to the limit position.

5. The variable-diameter extraction device for endoscopic operation according to claim 3, wherein the sliding mechanism comprises T-shaped sliding grooves (9) which are arranged at the top end of the push plate (3) and correspond to the hinged rods (6) one by one, and T-shaped sliding blocks (8) which are fixedly arranged at the lower end of each hinged rod (6) and correspond to the T-shaped sliding grooves (9) one by one and are used for sliding the corresponding T-shaped sliding grooves (9).

6. The variable-diameter sleeving and taking device for endoscope operation according to claim 3, wherein the limiting mechanism comprises a supporting rod (11) which penetrates through the middle part of the closed end of the cylinder body (1) in a sliding manner and is positioned at the inner sides of the push plate (3) and the push rod (2), a limiting disc (12) which is fixedly arranged at the top end of the supporting rod (11), is made of elastic material and has an arc-shaped structure, sliding cavities (13) for the supporting rod (11) to slide up and down are respectively formed in the push plate (3) and the push rod (2), insertion rods (15) which vertically penetrate through the side wall of the cylinder body (1) are symmetrically arranged on the outer wall of the supporting rod (11) close to the open end of the cylinder body (1), strip-shaped slideways (16) which correspond to the insertion rods (15) one by one to one and can slide the insertion rods are arranged on the outer side wall of the cylinder body (1), strip-shaped slideways (14) which are aligned to the strip-shaped slideways (16) one by one and are used for the insertion rods (15) to slide are arranged on the outer wall of the push rod (2) are arranged on the outer wall of the push rod (2), the outer wall of the barrel body (1) is provided with a pushing mechanism for driving the insertion rod (15) to move up and down, and the inner wall of the upper sliding cavity (13) of the push plate (3) is provided with a sealing ring (10) tightly attached to the outer wall of the push rod (2).

7. The variable-diameter extraction device for endoscopic operation according to claim 6, wherein the pushing mechanism comprises two symmetrical connecting blocks (17) fixed on the outer side wall of the barrel (1), a threaded rod (18) rotatably arranged on one of the connecting blocks (17), and a limiting rod (19) fixed on the other connecting block (17), the two connecting blocks (17) correspond to one insertion rod (15), the threaded rod (18) penetrates through one of the insertion rods (15) in a threaded manner, and the limiting rod (19) penetrates through the other insertion rod (15) in a sliding manner.

Technical Field

The invention relates to the field of medical equipment, in particular to a variable-diameter extracting device for endoscope operation.

Background

The puncture outfit can be used in various minimally invasive surgical operations, and is used for a special doctor to puncture the abdominal cavity and convey gas into the abdominal cavity in the laparoscopic surgery and establish a passage for an endoscope and a surgical instrument to enter and exit the abdominal cavity from the outside; various laparoscopic surgeries, including minimally invasive surgery, gynecological minimally invasive surgery, thoracic surgery, urinary surgery and other endoscopic surgeries, can be matched with various laparoscopic television systems at home and abroad.

The device is got to suit of current endoscope operation effect, because it can not be according to the size of a dimension of puncture position foreign matter, carry out corresponding regulation to the centre gripping size of fixture on the device is got to the suit, lead to the device is got to the suit when using, the fixture with affected part foreign matter size looks adaptation need be changed, just can realize pressing from both sides the getting of foreign matter smoothly, when the foreign matter of a plurality of not unidimensional sizes of affected part is got to needs to the clamp, it just can realize pressing from both sides the getting of different foreign matters to need to change a plurality of fixture with foreign matter size looks adaptation, this not only brings inconvenience to the operation for medical personnel, still can influence the process of operation, in addition because before pressing from both sides the getting to the foreign matter, can not carry out fixing in advance to the foreign matter, lead to the foreign matter probably skew appears in the in-process of centre gripping, thereby can bring the trouble for the clamp of foreign matter.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a variable diameter extracting device for endoscopic procedures that solves the problems set forth in the background above.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a device is got to variable footpath cover for endoscope operation, is the opening including one end and sets up the barrel, be connected with through actuating mechanism on the barrel and can press from both sides the fixture that gets to foreign matter on the affected part, and fixture is equipped with three at least and be ring distribution on the end of remaining silent of barrel, still be connected with through pushing mechanism on the barrel and carry out spacing stop gear so that the foreign matter is peeled off to the foreign matter in the affected part.

Further, fixture includes that the equidistant barrel is located the barrel and is closed mouthful serve and rather than the breach of inside intercommunication, rotate through the articulated shaft and locate every intraoral hinge bar of breach, fix and locate every hinge bar upper end and be the supporting rod of arc structure, every the lower extreme of hinge bar all is connected with actuating mechanism through slide mechanism, the tip of supporting rod is sharp-pointed and can cut the foreign matter in the affected part.

Further, actuating mechanism locates the connecting ring body on the barrel open end including rotating, slides and locates the inside push pedal of barrel, fixes and locates push pedal bottom and tip and extend to the push rod in the connecting ring body outside, the perforation that supplies the vertical passing of push rod is seted up at the middle part of connecting the ring body, and is equipped with the screw thread of looks adaptation on the peripheral border of fenestrate inner wall and push rod, the top of push pedal is passed through slide mechanism and is connected with the lower extreme of hinge bar, the symmetry is equipped with two stoppers with barrel inner wall sliding connection on the lateral wall of push rod, and sets up on the inner wall of barrel and supply the gliding spout about the stopper.

Furthermore, a sealing ring tightly attached to the inner wall of the cylinder body is sleeved on the peripheral circumference of the push plate, and the sealing ring is located above the top end of the sliding groove when the push plate moves downwards to the limit position.

Furthermore, the sliding mechanism comprises T-shaped sliding grooves which are arranged at the top end of the push plate and correspond to the hinged rods one by one, and T-shaped sliding blocks which are fixedly arranged at the lower end of each hinged rod, correspond to the T-shaped sliding grooves one by one and slide the corresponding T-shaped sliding grooves.

Furthermore, the limiting mechanism comprises a supporting rod which penetrates through the middle part of the closed end of the barrel in a sliding mode and is located in the inner side of the push plate and the push rod, a limiting disc which is fixedly arranged at the top end of the supporting rod, made of elastic materials and of an arc-shaped structure is arranged on the push plate and the push rod respectively, sliding cavities which enable the supporting rod to slide up and down are formed in the push plate and the push rod, insertion rods which penetrate through the side wall of the barrel perpendicularly are symmetrically arranged on the outer wall, close to the open end of the barrel, of the supporting rod, strip-shaped slide ways II which correspond to the insertion rods in a one-to-one mode and can enable the insertion rods to slide are formed in the outer wall of the barrel, strip-shaped slide ways I which are aligned with the strip-shaped slide ways one by one-to one are formed in the outer wall of the barrel, a pushing mechanism which drives the insertion rods to move up and down is arranged on the outer wall of the push plate, and a sealing ring which is tightly attached to the outer wall of the push rod is arranged on the inner wall of the sliding cavity of the push plate.

Further, pushing mechanism includes two symmetries and fixed locating the connecting block on the barrel lateral wall, rotates the threaded rod of locating on one of them connecting block, fixed locating the gag lever post on another connecting block, two the connecting block corresponds an inserted bar respectively, one of them inserted bar is run through to the threaded rod screw thread formula, another inserted bar is run through to the gag lever post slidingtype.

3. Advantageous effects

1. According to the invention, the push plate slides up and down in the barrel under the driving of the driving mechanism, when the push plate moves up and down, the clamping rods can rotate on the closed end of the barrel through the sliding connection of the T-shaped sliding block on the lower end of the hinged rod and the T-shaped sliding groove on the push plate, and all the clamping rods are hinged on the closed end of the barrel, so that all the clamping rods can rotate simultaneously under the driving of the push plate, even if all the clamping rods are opened and closed, the device can carry out coating type clamping on foreign matters with different sizes and realize the peeling work of the foreign matters in the clamping process.

2. According to the invention, the connecting ring body is screwed with the push rod through the rotation of the connecting ring body on the opening end of the cylinder body, so that the push plate can slide up and down in the cylinder body under the sliding connection of the limiting block and the sliding groove, and power is provided for the opening and closing of the clamping mechanism.

3. According to the invention, the connecting ring body is screwed with the push rod through the rotation of the connecting ring body on the opening end of the cylinder body, so that the push plate can slide up and down in the cylinder body under the sliding connection of the limiting block and the sliding groove, and power is provided for the opening and closing of the clamping mechanism.

4. According to the invention, the supporting rod can slide in the sliding cavity in the push rod by pushing the insertion connecting rod, so that the position between the limiting disc on the end part of the supporting rod and the foreign matter on the affected part can be adjusted, and the limiting disc can fix the foreign matter to be clamped, so that the clamping mechanism can clamp the foreign matter conveniently, and the operation efficiency is improved.

5. The invention can drive the inserting rod to move up and down on the cylinder under the limit of the limiting rod by rotating the threaded rod, thereby providing power for the movement of the supporting rod.

In conclusion, the pushing mechanism drives the limiting mechanism to move and can fix the foreign matters to be taken out from the puncture part so as to ensure that the foreign matters can keep certain stability when being cut off, thereby being beneficial to cutting off the foreign matters.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a side view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the clamping mechanism;

FIG. 4 is a schematic structural view of a pushing mechanism;

FIG. 5 is a schematic top view of the closed end of the cartridge;

FIG. 6 is a schematic top view of the push rod;

fig. 7 is a schematic top view of the inner structure of the cylinder.

Reference numerals: 1. a barrel; 2. a push rod; 3. pushing the plate; 4. a connecting ring body; 5. a notch; 6. a hinged lever; 7. a clamping rod; 8. a T-shaped slider; 9. a T-shaped chute; 10. a seal ring; 11. a support bar; 12. a limiting disc; 13. a slide chamber; 14. a first strip-shaped slideway; 15. a plug rod; 16. a strip-shaped slideway II; 17. connecting blocks; 18. a threaded rod; 19. a limiting rod; 20. a limiting block; 21. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 and 2, the variable diameter extracting device for endoscope operation comprises a cylinder 1 with an opening at one end, the cylinder 1 is connected with a clamping mechanism capable of clamping foreign matters on an affected part through a driving mechanism, the clamping mechanism is at least provided with three clamping mechanisms and is annularly distributed on the closed end of the cylinder 1, and the cylinder 1 is further connected with a limiting mechanism capable of limiting the foreign matters on the affected part through a pushing mechanism so as to facilitate the peeling of the foreign matters;

as shown in fig. 1, 2 and 3, the clamping mechanism comprises notches 5 which are equidistantly arranged on the closed end of the cylinder 1 and are communicated with the inside of the cylinder, hinged rods 6 which are rotatably arranged in each notch 5 through hinged shafts, and clamping rods 7 which are fixedly arranged at the upper end of each hinged rod 6 and are of arc structures, the lower end of each hinged rod 6 is connected with the driving mechanism through a sliding mechanism, the end parts of the clamping rods 7 are sharp and can cut foreign matters at affected parts, the push plate 3 slides up and down in the cylinder 1 under the driving of the driving mechanism, when the push plate 3 moves up and down, the clamping rods 7 can rotate on the closed end of the cylinder 1 through the sliding connection of the T-shaped sliding blocks 8 on the lower end of the hinged rods 6 and the T-shaped sliding grooves 9 on the push plate 3, and all the clamping rods 7 are hinged on the closed end of the cylinder 1, so that all the clamping rods 7 can rotate simultaneously under the driving of the push plate 3, even if all the clamping rods 7 are opened and closed, the device can carry out cladding type clamping on foreign matters with different sizes and realize the peeling work of the foreign matters in the clamping process;

as shown in fig. 1, 2, 3 and 5, the driving mechanism includes a connecting ring 4 rotatably disposed on the opening end of the barrel 1, a push plate 3 slidably disposed inside the barrel 1, a push rod 2 fixedly disposed at the bottom end of the push plate 3 and having an end portion extending to the outside of the connecting ring 4, a through hole for the push rod 2 to vertically pass through is formed in the middle of the connecting ring 4, and threads adapted to the peripheral circumference of the push rod 2 and the inner wall of the through hole are formed on the inner wall of the through hole, the top end of the push plate 3 is connected to the lower end of the hinge rod 6 through a sliding mechanism, two stoppers 20 slidably connected to the inner wall of the barrel 1 are symmetrically disposed on the side wall of the push rod 2, a sliding groove 21 for the stoppers 20 to slide up and down is formed on the inner wall of the barrel 1, the connecting ring 4 is rotatably connected to the push rod 2 through the rotation of the connecting ring 4 on the opening end of the barrel 1, so that the push plate 3 can slide up and down inside the barrel 1 under the sliding connection of the stoppers 20 and the sliding groove 21, the device provides power for opening and closing of the clamping mechanism, a sealing ring 10 tightly attached to the inner wall of the cylinder 1 is sleeved on the peripheral circumference of the push plate 3, the sealing ring 10 is also positioned above the top end of the sliding groove 21 when the push plate 3 moves downwards to the limit position, the push plate 3 is restrained by the rotary connection of the end part of the clamping rod 7 and the end part of the cylinder 1 when moving downwards, so that the push plate 3 can only lift in a limited range, and the sealing ring 10 is also positioned above the top end of the sliding groove 21 when the push plate 3 moves downwards to the limit position, and the sealing ring 10 can seal the inside of the cylinder 1 so as to prevent blood at a puncture part from flowing into the inside of the cylinder 1 and bring inconvenience to later cleaning work of the device;

as shown in fig. 3, the sliding mechanism includes T-shaped sliding grooves 9 which are arranged at the top end of the push plate 3 and correspond to the hinge rods 6 one by one, and T-shaped sliding blocks 8 which are fixedly arranged at the lower end of each hinge rod 6, correspond to the T-shaped sliding grooves 9 one by one, and allow the corresponding T-shaped sliding grooves 9 to slide, and the lower ends of the hinge rods 6 can be limited by the sliding connection between the T-shaped sliding blocks 8 and the T-shaped sliding grooves 9, so that the push plate 3 can smoothly drive the clamping rods 7 to open and close;

as shown in fig. 4, 6 and 7, the limiting mechanism comprises a supporting rod 11 which penetrates through the middle part of the closed end of the barrel 1 in a sliding manner and is positioned at the middle side inside the push plate 3 and the push rod 2, and a limiting disc 12 which is fixedly arranged at the top end of the supporting rod 11, is made of elastic material and is of an arc-shaped structure, sliding cavities 13 for the supporting rod 11 to slide up and down are respectively arranged on the push plate 3 and the push rod 2, inserting rods 15 which vertically penetrate through the side wall of the barrel 1 are symmetrically arranged on the outer wall of the supporting rod 11 which is close to the open end of the barrel 1, strip-shaped slideways two 16 which are in one-to-one correspondence with the inserting rods 15 and can slide are arranged on the outer wall of the barrel 1, strip-shaped slideways one 14 which are aligned with the strip-shaped slideways two 16 one by one and are used for the inserting rods 15 to slide are arranged on the outer wall of the push rod 2, a pushing mechanism for driving the inserting rods 15 to move up and down is arranged on the outer wall of the sliding cavity 13 on the push plate 3, and a sealing ring 10 which is tightly jointed with the outer wall of the push rod 2, the support rod 11 can slide in the sliding cavity 13 in the push rod 2 by pushing the insertion rod 15, so that the position between the limiting disc 12 on the end part of the support rod 11 and foreign matters on an affected part can be adjusted, the limiting disc 12 can fix the foreign matters to be clamped, a clamping mechanism can clamp the foreign matters conveniently, the operation efficiency is improved, and when the push rod 2 is driven by the connecting ring body 4 and moves up and down, the insertion rod 15 can perform relative sliding motion in the bar-shaped slide way 14 on the push rod 2 through the bar-shaped slide way 14 arranged on the push rod 2, so that the support rod 11 in the push rod 2 can be kept still in the cylinder body 1 when the push rod 2 moves up and down;

as shown in fig. 4, the pushing mechanism includes two symmetrical and fixed connecting blocks 17 arranged on the outer side wall of the barrel 1, a threaded rod 18 rotatably arranged on one of the connecting blocks 17, a limiting rod 19 fixedly arranged on the other connecting block 17, the two connecting blocks 17 correspond to one insertion rod 15 respectively, the threaded rod 18 penetrates through one of the insertion rods 15 in a threaded manner, the limiting rod 19 penetrates through the other insertion rod 15 in a sliding manner, the insertion rod 15 can be driven by the rotation of the threaded rod 18 to move up and down on the barrel 1 under the limitation of the limiting rod 19, and accordingly power is provided for the movement of the supporting rod 11.

The specific application process of the variable-diameter extracting device for endoscopic operation comprises the following steps: when in use, the size enclosed between the clamping mechanisms is correspondingly adjusted according to the size of the foreign matters at the affected part, namely, the connecting ring body 4 is manually connected to rotate on the opening end of the cylinder body 1, and is screwed with the thread of the push rod 2 through the connecting ring body 4, the push plate 3 can slide up and down in the cylinder 1 under the sliding connection of the limit block 20 and the sliding groove 21, when the push plate 3 moves up and down, the clamping rod 7 can rotate on the closed end of the cylinder body 1 through the sliding connection of the T-shaped slide block 8 on the lower end of the hinged rod 6 and the T-shaped sliding groove 9 on the push plate 3, because all the clamping rods 7 are hinged on the closed end of the cylinder body 1, all the clamping rods 7 can rotate simultaneously under the driving of the push plate 3, even if all the clamping rods 7 are opened and closed, the device can carry out cladding type clamping on foreign matters with different sizes and realize the peeling work of the foreign matters in the clamping process;

secondly, the insertion rod 15 can be driven to move up and down on the barrel body 1 under the limiting action of the limiting rod 19 through the rotation of the threaded rod 18, when the insertion rod 15 moves, the support rod 11 can be driven to slide in the sliding cavity 13 in the push rod 2, so that the position between the limiting disc 12 on the end part of the support rod 11 and foreign matters on an affected part can be adjusted, and when the limiting disc 12 is adjusted to a certain position outside the free end of the clamping rod 7, the adjustment is stopped;

secondly insert the barrel 1 among the puncture sleeve, because spacing dish 12 is located the supporting rod 7 outside, make supporting rod 7 when not contacting the affected part foreign matter yet, spacing dish 12 can contact with the foreign matter in advance, with this can treat the foreign matter of excision and fix, so that the clamp of foreign matter later stage is got, secondly make push pedal 3 advance downwards and slide in the inside of barrel 1 under the sliding connection of stopper 20 and spout 21 through actuating mechanism, pull downwards articulated arm 6 through push pedal 3 upper end this moment, make open all supporting rod 7 can realize the closure, and realize the centre gripping work to the foreign matter at the closed in-process of supporting rod 7, and because the tip of supporting rod 7 is sharp-pointed, can assist the excision work of foreign matter, the use of the variable diameter extraction device of this endoscope operation has just been accomplished like this.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.